Abstract

The article discusses the results of studies on the study of zoned varieties of spring barley in the zone of black soils and their reaction to the use of fungicides when treating seeds. It was found that in years with different climatic characteristics, there are differences in varieties in the duration of phenological phases. The longest growing season was observed for the Novonikolaevsky variety, and the shortest for the Prairie variety. The best results on germination and safety of plants were obtained on the variant with the Novonikolaevsky variety, while on all varieties it was noted that the use of a three-component fungicide promotes better germination and safety than on options with a single-component fungicide and without the use of fungicides. Analysis of the productivity of varieties showed that the studied varieties had different yields depending on the use of seed protectants. The yield of the Novonikolaevsky variety was the highest in all studied options for using fungicides compared to the Prairie variety. In the variant using the Vial Trio fungicide with the active ingredients Prochloraz 120 g/l, Thiabendazole 30 g/l, Cyproconazole 5 g/l, it was 3.41 t/ha. Thus, it can be recommended that agricultural producers cultivate the spring barley variety Novonikolaevsky, and carry out the main seed treatment with the fungicidal preparation Vial Trio.

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